Blumenhofer Acoustics Gran Gioia 2x10"
Explosive yet remarkably composed, the Gran Gioia 2x10 marries live-scale dynamics with seamless tonal continuity and striking low-level insight. Ralph Werner found its horn-loaded design exceptionally linear, delivering uncoloured voices, vivid instrumental texture and pinpoint imaging. For listeners chasing concert-like percussion without surrendering finesse, its time-coherent presentation is seriously compelling.
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Deliciously Crispy
Sound Quality
94/100
Build Quality
88/100
Value for Money
85/100
Pros
Exceptionally explosive, unconstrained macrodynamics give percussion, cymbals and large drums startling live-like impact.
Seamless, linear tonal balance from mid-bass through treble, with natural vocal and instrumental timbre.
High-resolution presentation reveals fine textures, player noises, venue reflections and cymbal decay with excellent clarity.
Precise, firmly focused imaging delivers strong separation, localisation and depth layering.
Cons
Prioritises time coherence over the lowest octave; its genuine 35Hz reach is satisfying but not sub-bass specialist territory.
Required an extended break-in period, with the reviewer reporting significant settling over roughly six weeks of constant play.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 94/100
The Gran Gioia 2x10 is portrayed as an exceptionally coherent, high-resolution horn speaker, combining uncoloured instrumental and vocal timbre with unusually forceful dynamic expression. Its presentation is precise and focused rather than maximally expansive, while bass reaches convincingly deep for most music without prioritising the very lowest octave.
Bass
92/100
The reviewer found the claimed 35Hz extension genuine and entirely satisfying with normal music. The design gives up some output in the lowest octave in favour of time coherence, so it is not presented as a full sub-bass specialist despite its substantial authority.
Mid
94/100
Male and female vocals were said to have no coloration despite the speaker's extreme articulation. It also closely tracked the differing tonal character of cello and violin, indicating notably convincing instrumental timbre and crossover coherence.
Treble
93/100
Fine detail, tonal shading, venue reflections and the fading shimmer of cymbals were reproduced with exceptional clarity and intelligibility. The reviewer also heard seamless continuity all the way from midbass to the extreme treble, without reporting glare or discontinuity.
Soundstage Imaging
93/100
The stage was described as somewhat more compact than the comparison speaker's, but more precise, firm and sharply focused. Image localisation and separation were singled out, and the speaker could create strikingly tangible spatial effects on atmospheric recordings.
Dynamics
97/100
Macrodynamic performance was described as leaving nothing to the imagination, with percussion and large drums capable of genuinely shocking impact. The reviewer repeatedly praised its explosive energy, impulsiveness and apparently unlimited dynamic range.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
88/100
The cabinet is made in Blumenhofer's own wood shop from 19mm birch plywood, a purposeful material choice for a large horn-loaded design. The supplied review offers little direct comment on fit, finish, hardware feel or long-term durability.
Value for Money
85/100
The review lists a retail price of €39,900 per pair but does not offer a verdict on whether the Gran Gioia represents strong value. It also does not compare the speaker's price or performance directly with competing high-end floorstanders.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- Cabinet
- Bassreflex cabinet with midrange horn New waveformer technology Virtual Coax configuration Floor ported Bass-Reflex Resonance and flow optimised bass reflex tunnel Harmonic construction
- Components
- 1.4” Compression Driver with Titan membrane 2x 25cm (10") Paper Woofer Gold plated tellurium copper terminals
- Features
- Bi-wiring-/ Bi-amping -terminals Time aligned Switchable impedance linearisation for the crossover frequency Tube Friendly 5 years Warranty
- Material
- Birch plywood
- Horn Material
- HDF-Complex
- Thickness
- 19mm / 3/4"
- Internal Bracing
- Structural bracing interaction
- Frequency range
- 35Hz - 20kHz ± 2dB
- Woofer
- 380mm / 15"
- Material
- Paper
- Bass Cabinet
- HornBass Reflex
- Porting
- Floor
- Horn load
- Front
- Cross over frequency
- 850 Hz
- Midhigh
- Compression driver
- Horn Throat
- 1,4"
- Membrane dimensions
- 75mm / 3"
- Material
- Titanium
- Max power input (RMS)
- 150 W RMS
- Efficiency
- 100 dB
- Impedance
- 8 Ohm
- Impedance linearization
- Yes
- Terminal
- Bi-Amping
- Material
- Gold plated tellurium copper
- Feets
- Adjustable Spykes
- Dimensions
- 1335 x 550 x 840 mm
- Weight
- 100 kg
- Gross Weight
- 140kg
Manufacturer's Description — Blumenhofer Acoustics
Coax Bass Horn /lang
Working on a new horn concept to have a smaller full horn loudspeaker, it developed to become a proficient loudspeaker in a certain kind of coaxial configuration: the two woofers working in the same horn mutate to one only loudspeaker. Therefore it is a Coax a 'la Blumenhofer' with a compression driver horn in the middle. In our workshop we can offer true-wood veneers.Wood is a natural product and depending on several factors might have different color and structure. Color and structure variations of the surface are not to be considered flaws.
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Authorized dealers for Blumenhofer Acoustics Gran Gioia 2x10"
- A 10 Audio Room 4 Music — in-store — Amsterdam Nieuw-West, Noord-Holland, Netherlands (website)
- Ajasom — online and in-store — Amadora, Lisboa, Portugal (website)
- Alex Sound Technology — online and in-store — Windermere, Florida, United States (website)
- Alta Fedelta — online and in-store — Lombardia, Italy (website)
- Audio Haven — in-store — Arnhem, Gelderland, Netherlands (website)
- Audio Omega — in-store — Ourense, Spain (website)
- AUDIOteam — in-store — Nice, Provence-Alpes-Côte d'Azur, Switzerland (website)
- Aural HiFi — online and in-store — Denver, Colorado, United States (website)
- AV Solutions - Italy — online and in-store — Aosta, Valle d'Aosta, Italy (website)
- Dream Audio — in-store — Innere Stadt, Wien, Slovakia (website)
and 14 more verified dealers